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IP Setup and Network Address Translation 10-3
Using Network Address Translation
The following procedure describes how to use Network Address Translation.
1. Pick a network number for your local network (referred to as the internal network). This can be any IP
address range you want. The Netopia R7200 SDSL Router has a default IP address of 192.168.1.1. You
may choose to change this address to match a pre-existing addressing scheme. For this example, we will
use 10.0.0.0.
Note: The outside world (the external network) will not see this network number.
2. Using the internal network number, assign addresses to the local nodes on your LAN. For example, you
could assign
■ 10.0.0.1 to your Netopia R7200
■ 10.0.0.2 to a node running as a World Wide Web server
■ 10.0.0.3 to an FTP server
■ 10.0.0.4 to a Windows NT PC
■ 10.0.0.5 to a Windows 95 PC
Note: See “Associating port numbers with nodes” on page 10-6.
3. In the connection profile, toggle Address Translation Enabled to Yes or No (Yes to enable NAT) and press
Return.
The Easy Setup connection profile is accessible by using either of the following two approaches:
■ From the Easy Setup menu in the Main Menu screen, select the next screen, Connection Profile 1: Easy
Setup Profile. The screen shown below appears.
■ Alternatively, from the WAN Configuration menu in the Main Menu screen, select Display/Change
Connection Profile. When that screen appears, select IP Profile Parameters. You can now access the
Connection Profile 1: Easy Setup Profile
Address Translation Enabled: Yes
IP Addressing... Numbered
Local WAN IP Address: 163.176.107.2
Local WAN IP Mask: 255.255.255.0
PREVIOUS SCREEN NEXT SCREEN
Toggle to Yes if this is a single IP address ISP account.
Enter basic information about your WAN connection with this screen.